Fomulare multiple-Spalte, Admin Panel Auth angefangen

admin/login.php

@@ -0,0 +1,20 @@
+<?php
+include("../../mysqlverbinden.php");
+
+if(!isset($_GET["username"])) die("GET username fehlt");
+$username=$_GET["username"];
+
+if(!isset($_GET["password"])) die("GET password fehlt");
+$password=$_GET["password"];
+
+$result=mysqli_execute_query($db_id,"SELECT `password` FROM `adminpanel-users` WHERE `username`=?;",[$username])->fetch_assoc();
+if(!isset($result["password"])) 
+		die('{"error":"Falscher Benutzername","success":false}');
+
+if($result["password"]!=$password)
+		die('{"error":"Falsches Passwort","success":false}');
+
+$token="";
+
+echo json_encode(["token"=>$token,"success"=>true],JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES);
+